Node.js

Convert Java KeyStore to PEM

See more Java KeyStore (JKS) Examples

Loads a Java keystore file and saves the trusted certificate entries to a PEM file. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    // This requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    var jks = new chilkat.JavaKeyStore();

    var jksPassword = "myJksPassword";

    // Load the Java keystore from a file.  The JKS file password is used
    // to verify the keyed digest that is found at the very end of the keystore.
    // It verifies that the keystore has not been modified.
    success = jks.LoadFile(jksPassword,"/someDir/keyStore.jks");
    if (success == false) {
        console.log(jks.LastErrorText);
        return;
    }

    // Open/create the output PEM file. 
    // This example uses Chilkat's file access class for writing the output file.
    // You may replace the file I/O lines of code with whatever is most convenient for you.
    var fac = new chilkat.FileAccess();
    success = fac.OpenForWrite("/pemFiles/caCerts.pem");
    if (success == false) {
        console.log(fac.LastErrorText);
        return;
    }

    var numCerts = jks.NumTrustedCerts;

    var cert = new chilkat.Cert();
    var pem;

    // Iterate over the trusted certs, get the PEM for each,
    // and append it to the output file.
    var i = 0;
    while (i < numCerts) {
        jks.TrustedCertAt(i,cert);

        // Get the certificate in PEM format.  
        pem = cert.ExportCertPem();

        // Append the PEM string to the open file.
        success = fac.AppendText(pem,"utf-8");
        if (success !== true) {
            console.log(fac.LastErrorText);
            return;
        }

        i = i+1;
    }

    // Close the output file.
    fac.FileClose();

    console.log("Trusted certificates saved to PEM.");

}

chilkatExample();